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Finding the Fourth Proportional to 240,316.65, 331,642.65 and 132,888.78

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Solution

The fourth proportional to 240,316.65, 331,642.65 and 132,888.78 is: 183,389.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,316.65 : 331,642.65 = 132,888.78 : x
  2. Step 2: Convert to fraction form
    240,316.65/331,642.65 = 132,888.78/x
  3. Step 3: Cross multiply
    240,316.65x = 331,642.65 × 132,888.78
  4. Step 4: Simplify right side
    240,316.65x = 44,071,587,154.47
  5. Step 5: Solve for x
    x = 44,071,587,154.47/240,316.65
  6. Step 6: Final answer
    x = 183,389.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.